CN101557773B - Dental attachment assembly and method - Google Patents
Dental attachment assembly and method Download PDFInfo
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- CN101557773B CN101557773B CN200780046360.3A CN200780046360A CN101557773B CN 101557773 B CN101557773 B CN 101557773B CN 200780046360 A CN200780046360 A CN 200780046360A CN 101557773 B CN101557773 B CN 101557773B
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- abutment member
- implant
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/225—Fastening prostheses in the mouth
- A61C13/265—Sliding or snap attachments
- A61C13/2656—Snap attachments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0053—Connecting devices for joining an upper structure with an implant member, e.g. spacers with angular adjustment means, e.g. ball and socket joint
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0057—Connecting devices for joining an upper structure with an implant member, e.g. spacers with elastic means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0087—Means for sterile storage or manipulation of dental implants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0093—Features of implants not otherwise provided for
- A61C8/0095—Total denture implant
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dental Prosthetics (AREA)
Abstract
A dental attachment system has an abutment member configured for attachment to a tooth root, implant, or adjacent tooth, the abutment member having a head and an annular seat adjacent the head. An elastomeric ring is configured for releasable engagement in the seat on the abutment member, and is retained in a retainer ring which in turn is in swivel engagement with a concave inner surface of a cavity in a cap which is secured in a recess in a dental appliance such as a denture, partial denture, or the like.
Description
Technical field
The present invention relates in general to dental attachment part or fixed structure, for the detachable dentistry appliance such as complete denture, overlay denture, partial denture etc. is attached to remaining non-viable root, adjacent teeth, or is attached to implant for into bones.
Background technology
Existing many dissimilar dental attachment parts, for can unclamp mode, dentistry appliance being fixed to one or more roots or implant, or are fixed to adjacent teeth.In many cases, that this attachment comprises is supporting, male member that can snap engagement and recessed, and one in this male member and recessed is attached to artificial tooth, and another is attached to root, implant or adjacent teeth.Known attachment has first component and a second component, and first component is pivotally bonded in the cap being fixed in implant, and second component is fixed to implant, root etc.Some attachment of this common type is for example described in the 5th, and 417, No. 570, the 6th, 030, No. 219 and the 6th, in 299, No. 447 United States Patent (USP)s.
Another known attachment is used O shape ring, and this O shape engagement of loops is on the spheroid of end of implanting abutment or embedded pile.In one example, O shape engagement of loops is in being attached to the keeper of artificial tooth.Use O shape ring or similarly a problem of elastic ring attachment be, when complete when straight their effects best.The angulation of any abutment all causes the biting force due to inhomogeneous the disengaging of wearing and tearing and this ring.
Summary of the invention
The invention provides for dental prosthesis being attached to the system and method for teeth roots, implant or adjacent teeth.In one embodiment, attachment system comprises: abutment member, and it is for being attached to teeth roots, implant or adjacent teeth; Elastomeric ring, it is for being bonded on the groove on described abutment member; Retaining ring, it is for being bonded on described elastomeric ring, and described retaining ring has circular outer surface; And, cap, it is for being fixed in the recess of dentistry appliance or prosthese, and described cap has and is suitable for the circular recessed inner surface of rotational engagement on the outer surface of the described circle of described retaining ring.
This programme provides due to the vertical elasticity of elastomeric ring and pivotal action that can compensating deflection implant.Described abutment member can have and is configured to be bonded on the end section matching in hole, the described hole that matches is arranged in non-viable root or is fixed to the implant of root, described abutment member or can have for being fixed to the remote extension of the end of adjacent teeth, bizet or bar.In another embodiment, one or more abutment members are cast on the extension rod that is fixed to two or more implants.Described cap, retaining ring and elastomeric ring can be suitable for and for any O shape, encircle attached existing abutment and separate use, to allow renovating this existing abutment with cap pivotable or rotation is attached.
In one embodiment, described abutment member can be the miniature or minor diameter implant with the afterbody part in the ready hole that is suitable for being directly implanted in patient's jawbone or thread spindle.A series of this foot bridge matrix components can keep together to increase stability by having the bar of relatively little sectional dimension.
Below research, after detailed description and accompanying drawing, other features and advantages of the present invention will become apparent those of ordinary skills.
Accompanying drawing explanation
By can partly finding the details about structure of the present invention and operation to the research of accompanying drawing, in the accompanying drawings, identical label refers to identical parts, and:
Fig. 1 is according to the sectional view of the dental attachment assembly of the first embodiment, wherein, and each isolation of components of assembly;
Fig. 2 is the sectional view of the dental attachment assembly of Fig. 1, and wherein, each assembling parts together;
Fig. 3 is the sectional view similar to Fig. 2, illustrates the pivotal action of cap;
Fig. 4 is the side view of the dental attachment assembly of Fig. 1 to Fig. 3, and wherein, cap is pivoted into the miscellaneous part of assembly and does not line up;
Fig. 5 is the side view of abutment member of the attachment assembly of Fig. 1 to Fig. 4;
Fig. 6 is the sectional view of dental attachment assembly that is designed for the remote extension of another embodiment that is attached to adjacent teeth or corona, wherein, and each isolation of components;
Fig. 7 is the sectional view of the dental attachment assembly of Fig. 6, and wherein, each assembly is assembled;
Fig. 8 is the sectional view similar to Fig. 7, illustrates the pivotal action of cap;
Fig. 9 is the axonometric chart of the dental attachment bar of another embodiment;
Figure 10 is the top view of the bar in Fig. 9;
Figure 11 is the front view of the bar in Fig. 9 and Figure 10;
Figure 12 is according to the micro-type dental implant of another embodiment and the lasso of separation or the side view of top cover;
Figure 13 is that diagram keeps the axonometric chart of the implant of several Figure 12 with bar;
Figure 14 is the being seen sectional view of line 14-14 from Figure 13;
Figure 15 is the axonometric chart that the diagram substituting bar similar to Figure 13 constructed;
Figure 16 is the decomposition section of amended embodiment of the dental attachment assembly of Fig. 1 to Fig. 5, wherein, and each isolation of components of assembly;
Figure 17 is the sectional view of the dental attachment assembly of Figure 16, and wherein, each assembly fits together;
Figure 18 is the sectional view similar to Figure 17, the pivotal action of diagram cap;
Figure 19 is the side view of abutment member of the attachment assembly of Figure 16 to Figure 18;
Figure 20 is the side view of the dental attachment assembly of having assembled of Figure 16 to Figure 19, and wherein, cap is pivoted into the keeper of assembly and does not line up;
Figure 21 is the sectional view similar to Figure 17, illustrates amended abutment member;
Figure 22 is the sectional view of the assembly of Figure 21, the scope of diagram pivotal action;
Figure 23 is for according to the axonometric chart separating of two parts of the angle correct abutment member of the O shape ring attachment assembly of another embodiment;
Figure 24 is the sectional view that uses the O shape ring attachment assembly after the angle correct abutment Components Composition of Figure 23;
Figure 25 is the sectional view similar to Figure 24, illustrates the O shape ring attachment assembly that band is useful on the amended angle correct abutment member of the angular adjustment that provides different;
Figure 26 is for implant the axonometric chart separating of two parts of member according to the angle correct of the attachment assembly of another embodiment;
Figure 27 is the sectional view that the O shape ring attachment assembly after Components Composition is implanted in the angle correct of use Figure 26; And
Figure 28 is the sectional view similar to Figure 27, illustrates the attachment assembly with different angular adjustment.
The specific embodiment
Specific implementations disclosed herein provides for the dentistry appliance such as complete denture, overlay denture, partial denture etc. being attached in dismountable mode to the system and method in patient's oral cavity.For example, a kind of method disclosed herein allows, with elastic ring and outside annular keeper, cap is engaged to appliance, and described elastic ring and outside annular keeper are pivotally mounted in cap and are suitable for snapping engagement on the head of the abutment that is fixed on the appropriate position in patient oral cavity.
After having read this explanation, as realizing the present invention, how multiple substituting embodiment and substituting should being used for will become apparent to those skilled in the art.But, although will describe numerous embodiments of the present invention at this, be appreciated that these embodiments are only that mode with example exists, rather than restriction.Thereby this detailed description of multiple substituting embodiment should not be interpreted as scope of the present invention to proposing in claims or the restriction of range.
Fig. 1 to Fig. 5 illustrates the dental attachment assembly 10 according to the first embodiment.As illustrated best in Fig. 1, assembly 10 comprises four parts, is specially: for being attached to the abutment member 12 of non-viable root, implant etc.; It can be the elastomeric ring 14 of O shape ring etc.; Outside retaining ring 15 for elastomeric ring 14; And for being fixed on the cap 16 in the recess of artificial tooth or partial denture.According to the scope of artificial tooth, can in artificial tooth, fix one or more this assemblies.
In operation, abutment member 12 is arranged in the suitable hole of implant or root.One or more abutment members can be installed in appropriate position in patient oral cavity, and wherein, corresponding cap 16 is arranged in artificial tooth.The O shape ring 14 of retaining ring and sealing remains on the head of the abutment member that also can be fastened on alignment in cap, to artificial tooth is installed.Fig. 2 and Fig. 3 show the attachment assembly in installment state.As shown in Figure 3 and Figure 4, when cap is on ring 15 during pivotable, elastic ring 14 provides vertical motion, to compensate any drift angle abutment.Therefore, this scheme allows significant amount of movement and can eliminate some stress from implant and abutment.The cap of pivotable allows to carry out pivoting action in the situation that not making O shape encircle 14 deflection.Compare and use the abutment with spherical or spherical head, the blunt end part 30 of described abutment member allows artificial tooth on abutment, to take a seat lowlyer.
Patient and the dental implant that can within the scope of different size, be different size are made attachment assembly.In one embodiment, the head of abutment member is set in the diameter range between 1.8mm to 6.0mm, and length is in the scope between 7mm to 18mm.The diameter of seat portion 20 is in the scope between 1.0mm to 3.0mm, and O shape ring 14 has the suitable size matching for the snap engagement with seat portion 20.Cap, elastic ring and keeper can be sold to be separately fitted in arbitrarily on the global shape abutment of O shape.
Fig. 6 to Fig. 8 shows amended abutment assembly 40, and abutment assembly 40 is designed for and is attached to adjacent teeth or crown, rather than root or implant.Except abutment member 42, this assembly is similar to the assembly of previous embodiment, and identical label is for identical parts.Abutment member 42 has head 44, the ring-type seat portion adjacent with head 44 or groove 45, the axial region 46 aliging with described head and groove and radially extends and terminate in remote extension or the linking arm 48 of the board 50 in the suitable groove being fixed on the sidepiece that is arranged at adjacent teeth or crown from axial region 46.As in previous embodiment, head 44 has blunt end part 52 to reduce height.
As in previous embodiment, as shown in Figure 7 and Figure 8, elastic ring 14 is suitable for being fastened on head 44 and snaps in groove 45, and retaining ring 15 is bonded on ring 14.Retaining ring 15 and elastic ring 14 pivotally engage the chamber 35 in cap 16.The same at previous embodiment, cap 16 can be as shown in Figure 8 in retaining ring 15 pivotable or while rotating, keeper and elastic ring are retained as with the head 44 of abutment member 42 and axially align, to regulate tooth root or the implant setting that is used for deflection.
Fig. 7 and Fig. 8 illustrate the implant assembly in installation or assembled state.The cap of accommodating retaining ring 15 and O shape ring or elastomeric ring 14 suitably arranges in (combination) recess in artificial tooth.Then shift artificial tooth onto position, wherein O shape ring 14 stretches on head 44, then snaps in groove 45, can the mode of unclamping remaining on this.Meanwhile, cap 16 can rotate to hold non-straight implant or tooth root in the situation that not making the deflection of O shape ring, as shown in Figure 8.In present embodiment, the size of each parts and previous embodiment is similar.
Fig. 9 to Figure 11 illustrates the casting bar 60 being kept by implant, and it forms according to the part of the dental attachment assembly of another embodiment.Bar 60 has a plurality of abutment members 62 in the casting of interval location place along this bar.In addition, remote extension abutment member 64 is fixed on every one end of bar 60.Each abutment member 62,64 have with previous embodiment in head and ring-type seat portion or the same or analogous shape of slot part of abutment member.
What along each casting abutment member 62 of the length of bar, have that shape with the head 18 of previous embodiment and 44 is equal to has 66 65 of blunt end parts and ring-type seat portion or a groove 68 adjacent with head 65, and is connected to bar near groove 68.And described end or remote extension abutment member have head 65 and the groove 68 adjacent with this head and the stake 70 of extending from groove 68 with blunt end part 66 separately, and from stake 70 via remote extension 72 and bar 60 integrally castings.According to gums and the jawbone recess of the corresponding position in patient's jawbone, select remote extension 72 to there is suitable decline.
The spaced clamp device of bar tool, is fixed to bar on implant or the tooth root at interval for the mode with illustrated in the 5th, 630, No. 717 United States Patent (USP)s of the people such as Zuest, and the content of described United States Patent (USP) is incorporated to herein by the mode of quoting.For attached object, securing screw device (not shown) can be fixed in the teeth groove 74 on the face relative with abutment member 62 of bar 60.
Described in above those embodiments, the abutment member 62,64 on bar 60 is suitable for engaging can unclamp buckle mode with the elastomeric ring 14 of previous embodiment, and head can have the size similar to previous embodiment with seat portion.For being attached to the overlay denture of bar 60, be provided with the cap 16 of suitable location, each cap 16 is accommodating for carry out the rotation retaining ring 15 of snap engagement and the elastomeric ring 14 of sealing on corresponding head 65.
Figure 12 to Figure 14 illustrates according to the attachment assembly 80 of another embodiment of invention.In the present embodiment, this attachment assembly comprises a plurality of miniature or minor diameter implant 82 being kept together by bar 84.Cap 85 is suitably positioned at the overlay denture 86 for aliging with each implant, as shown in figure 14, and each cap is to remain on the accommodating rotation retaining ring 90 of elastomeric ring 88 in the ring 86 with appropriate size, to carry out snap engagement on the head in miniature implant 82.The shape of retaining ring 90, elastomeric ring 88 and cap 85 is identical with the corresponding component of previous embodiment with operation, but has less size with the small size corresponding to miniature implant 82.
Minimize bridge matrix component or implant 82 are illustrated in Figure 12 in more detail, and have head 92 with blunt end part 94, adjacent with this head 90 thread spindle 98 of taper for receiving ring-type seat portion or the groove 95 of elastomeric ring 88, the tool engagement part 96 can with hexagon or other polygonal cross-section shape, level and smooth circle band interface part 97 and extending to the end of implant 82 from interface portion 97.Implant 82 is by suitable stiff materials, is generally such as the alloy of titanium or titanium and other metal or the metal that has the rustless steel of titanium nitride coating and makes.As shown in figure 14, thread spindle 98 is designed to be threaded in bone within bone bone 100 in ready hole.The head diameter of implant is in one embodiment in the scope between about 1.5mm to 4.0mm, and the diameter of seat portion 95 is from 1.0mm to 3.0mm, and the length of this implant is in the scope between about 7.0mm to 22.0mm.
As shown in Figure 12 A, top cover or the lasso 102 with hexagonal hole 104 and conical outer surface 105 are designed to matched in clearance in the hexagonal part 96 of implant 82, to allow turning to of bar.In order to make bar 84, first requisite number object implant 82 is suitably fixed on to the desired location place in patient's jawbone.Then obtain the die of the implant position in jawbone, and in dental laboratory, use this die to make the model of patient's jawbone, this model comprises the implant analogue body that is positioned at implantation position place with corresponding relative bearing.Then top cover or lasso 102 are bonded on each implant analogue body, and candlestick section is fixed on to each adjacent lasso between 102.Thus obtained castable framework is fitted in patient's jawbone and according to correctly equipped required and is again shaped.Finally, by the plastics of doing by full size or candlestick framework for casting the Metallic rod of matching, this Metallic rod has in appropriate location and the hexagonal hole 106 in orientation, to be bonded in the hexagonal part 97 of implant.Then bar be bonded in all implants in patient's jawbone and keep putting in place.
This scheme arranges clamping plate between implant, and these clamping plate can be assisted distribution load.As shown in figure 14, when artificial tooth 86 is installed on the head 92 of the implant 82 being connected by bar 84, artificial tooth 86 floats organizationally, rather than unsteady on bar as in the bar supporting scheme previous.In illustrated embodiment, artificial tooth is contact lever not.On the contrary, artificial tooth is bearing on O shape ring attachment, and this O shape ring is attached at top and the bar interval of bar.Bar is only in the present embodiment for clamping object.
The flat-top 94 of the head of the implant in Figure 12 to Figure 14 is saved space and is reduced gums or the height of the implant of tissue top.The size of bar can be relatively little, and the thickness of bar can be about 2.0mm in some embodiments.
Figure 15 illustrates amended bar attachment assembly 120, and this attachment assembly is similar to the scheme of Figure 12 to Figure 14, and in due course identical parts is used to identical label.Modification in present embodiment is to increase remote extension 122 in each end of bar 84, together with the place, outer end in each extension, increases integrated pile 124.Each 124 has ring-type seat portion or the groove 126 for receiving the O shape of retaining ring 90 to encircle between the head 125 of the increasing identical with the head 92 at the top place of each implant 82 and head 125 and stake 124, as shown in Figure 14 of the head for one of them implant.When for introducing the space of implant or the skeleton degree of depth when not enough, this provides attachment point for artificial tooth being arranged on the region of jawbone.
Figure 16 to Figure 20 illustrates the dental attachment assembly 150 as the remodeling of the first embodiment of Fig. 1 to Fig. 6, and in due course identical parts is used to identical label.This assembly comprises: that separate to shorter hexagonal part 154, similar to the abutment member 12 of Fig. 1 to Fig. 4 abutment member 152; Elastomeric ring 14; For keeping the outer retaining ring 155 of elastomeric ring or O shape ring 14; And for being fixed on the cap 156 in the recess of artificial tooth or partial denture.The material of each parts of assembly 150 can be same or similar with the material described in above the first embodiment.
Retaining ring 155 has circular inner surface 158, for being bonded on the outer surface of O shape ring 14 to keep this ring.The outer surface of the retaining ring in present embodiment is through revising.Replace having the continuous outer circular surface as in previous embodiment, the retaining ring 155 in present embodiment has the central arc or circular portion 160 with upper and lower notch or recess 162.The total height of retaining ring 155 is about 0.050 inch, and the height of the circular portion of described central authorities is about 0.030 inch.
Also revised in the present embodiment cap 156.Replace thering is the outside embossed surface as in previous embodiment, on the outer surface of cap, there is groove 164.Inner chamber 35 is similar or identical with the chamber of cap in previous embodiment, and uses in due course identical label.
The operation of the attachment assembly of Figure 16 to Figure 20 is similar to the attachment assembly of Fig. 1 to Fig. 6.The threaded portion 26 of abutment member 152 is bonded in teeth roots or implant, and the cap 156 of accommodating retaining ring 155 and O shape ring 14 is fixed in the recess in artificial tooth or other dentistry appliance.Subsequently, O shape is encircled on the head 18 that can be fastened on abutment member 152 and is engaged in present portion 20, as shown in Figure 17 and Figure 18.Once be installed, cap just can be as shown in figure 18 with respect to retaining ring pivotable.As visible by comparison diagram 3 and Figure 18, the notch of the upper end of retaining ring allows cap larger angle of pivotable before the top edge of contact ring 156.In illustrated embodiment, maximum pivoting angle is about 15 degree.
Figure 21 and Figure 22 illustrate a kind of remodeling, wherein, replace the abutment member 152 of Figure 16 to Figure 18 with the abutment member 12 with Fig. 1 of longer tool engagement part 22.Other all parts are identical with Figure 16 to Figure 20 and use in due course identical label.As by relatively Figure 18 and Figure 22 are visible, by larger interval is set between retaining ring 155 and flange 24, to compare in previous embodiment, described cap can the larger angle of pivotable.When cap is as the same while aliging with abutment member with in Figure 21 at Figure 17, the interval L between the lower surface of flange 24 and the upper surface of cap 156 is about 0.141 inch (3.6mm) in Figure 17, is about 0.154 inch (3.9mm) in Figure 21.As shown in figure 22, when using longer abutment, this can pivotable about 20 spend cap before collision flange 24.
Retaining ring 15 and cap 16 that the amended retaining ring of Figure 16 to Figure 22 and cap can also be used for any substituting embodiment of replacing at Fig. 6 to Figure 15.
Figure 23 and Figure 24 illustrate when must be relatively large due to the implant of more deflections angle correct time the amended attachment assembly that uses.As shown in figure 24, the pivotable cap 156 in present embodiment, retaining ring 155 and O shape ring 14 are identical with Figure 16's to Figure 22, and in due course identical parts are used to identical label.But, in the present embodiment, with the two parts abutment devices 200 with first component 202 and the second angular adjustment parts 205, replace the abutment member 152 single-piece, that axially align of Figure 16 to Figure 22, wherein, first component 202 has thread spindle 204 for being bonded on teeth roots or the implant of deflection, and the second angular adjustment parts 205 have the first head part 206 and with the angle of being scheduled to, extend to the second angle part 208 of described head part 206.
The axle 204 of first component 202 has thread head 210, collar flange 212 and from flange 212, protrudes upward match part or the stake 214 engaging for the second component 205 with abutment.In the embodiment shown in Figure 23 and Figure 24, the head part 206 of second component has central axis 215, with the head 216 of blunt end part 218, adjacent with described head for receiving the endless groove 220 of O shape ring and the tool engagement part 222 can with hexagon or other polygonal shape adjacent with described groove.Angle part 208 have angled planar end surface 225 and in end face 225 be designed for the first abutment parts 202 stake 214 holes that engage 226.As seen in fig. 24, hole 226 has and favours head segment axis 215 and perpendicular to the central axis of end face 225.Thus, when hole 226 is bonded in stake 214 coaxially, head part 206 will favour the Axis Extension of axle 204, to provide predetermined angle to connect and provide at least compensation of some degree for non-vertical implant setting or root.In illustrated embodiment, hole 226 and stake 214 have the hexagonal shape matching, but can have other polygonal shape in substituting embodiment.In the present embodiment, head part 206 is with respect to the axis 224 in the hole in angle part 208 about 20 degree that tilt, but in other embodiments, head part can be arranged to different angles, example 10 degree as shown in figure 25.
In the present embodiment, first use thread head 210 that parts 202 are fixed in the teeth roots or implant of deflection.Suitable hexagon instrument can engage stake 214, to the first component 202 of abutment is installed.Thereby stake 214 will be extended with the root with deflection or the identical angle of implant along axis 224.Then, the angle Selection of the root based on deflection or the implant second component 205 of suitable angle that tilts.Subsequently second component 205 is bonded in stake 214, head segment axis 215 is able in jawbone substantially vertically-oriented, and the irrelevant implant of deflection or the angle of root.Then hole 226 is kept in stake 214 putting in place.
As shown in figure 24, the abutment device 200 after installation be designed to pivotable in cap identical in previous embodiment with O shape ring or elastic ring with the joint that can the mode of unclamping matches.Identical with Figure 16 to Figure 22 of the cap 156 of present embodiment, retaining ring 155 and O shape ring 14, but described device also can be in the situation that have any substituting O shape in Fig. 1 to Figure 15 and encircle cap, retaining ring and O shape in attachment assembly and encircle and use.First accommodating pivotable is combined in the recess of artificial tooth or other dentistry appliance with the cap 156 of retaining ring 155 and O shape ring 14.Then O shape ring 14 be fastened on the head 216 of abutment device and be bonded in groove 220, as shown in figure 24.Thereby cap 156 can be with respect to the head pivotable of abutment device, to provide more compensation from vertically-oriented any departing from for drift angle implant and head part 206.Angled abutment device and pivotable with allow together with cap described cap with respect to the central axis 224 of the first component of abutment device and therefore with respect to the fixedly teeth roots of implanting device or the axis pivotable of implant up to 40 degree.
Except the axis 224 in the hole in the second component 230 of abutment device is spent with respect to first component inclination ten, rather than as outside 20 degree in previous embodiment, the attachment assembly of Figure 25 has the two parts abutment devices similar to previous embodiment.In addition, the assembly of Figure 25 is identical with the assembly of Figure 23 and Figure 24, and will install in an identical manner, and in due course identical parts is used to identical label.
Although the anti-rotation structure matching 214,226 between two parts of the abutment member in Figure 23 to Figure 25 comprises polygonal pile on first component and the hole matching on second component, but this scheme can be put upside down in substituting embodiment, wherein, hole is positioned at the end of parts 202, and the angled stake matching is on parts 205,230.
Figure 26 to Figure 28 illustrates a kind of attachment assembly with another angled abutment device or implanting device 250, and described abutment device or implanting device 250 are fixed to the second angular adjustment parts 254 of described first component when having first component 252 and having determined for the orientation suitable.Identical with previous embodiment of cap 156 for pivotable in present embodiment, retaining ring 155 and O shape ring 14, and in due course identical parts are used to identical label.The first component 252 of miniature implanting device 200 has the thread spindle 255 of the taper similar to the axle of the miniature implant 82 of Figure 12 to Figure 14, and has similar size.Axle 255 is designed to be threaded in bone within bone bone in ready hole, and has unthreaded portion 256 in its larger diameter end.Hexagonal or other anti-rotation stake 258 is protruded from the unthreaded portion of axle.
The first component 252 of angled abutment or implant 250 is similar to the first component of the abutment device in Figure 23 to Figure 25, and there is the angle part 261 that limits the head part 253 of central axis 260 and part extension from the head, angle part 261 has and is not orthogonal to that having in the angled planar end surface 262 of axis 260 and end face 262 favours axis 260 and perpendicular to the hole 264 of the central axis 265 of end face 262, as best finding in Figure 27.Head part 253 has rounded nose 266 with blunt end part 267, adjacent with described head for receiving the endless groove 268 of O shape ring and the tool engagement part 270 can with hexagon or other polygonal shape adjacent with described groove.
Except tool engagement part 270 than tool engagement part 222 long and angle part 261 longer than angle part 208, the angular adjustment parts 254 of implant or abutment device 250 are similar with the parts 205 of previous embodiment.
For described attachment assembly is installed, first use thread spindle 255 that the first component of miniature implanting device 250 252 is fixed in the ready hole in bone within bone bone.Suitable hexagon instrument can engage stake 258 to the first component 252 of abutment is installed.Thereby the identical angle in the hole with deflection is extended in stake 258.Therefore then, the angle in the hole based on deflection the tilt second component 254 of suitable angle of the angle Selection based on stake 258.Rotate second component 254 until its in correct angle the angle with compensation stake 258, that is, described head part is extended substantially vertically in jawbone, then described second component 254 is bonded in stake 258 and keeps putting in place.
As shown in Figure 27 and Figure 28, the abutment device 250 after installation be designed to pivotable in cap identical in previous embodiment with O shape ring or elastic ring with the joint that can the mode of unclamping matches.Identical with Figure 16 to Figure 22 of the cap 156 of present embodiment, retaining ring 155 and O shape ring 14, but described device also can be in the situation that have cap, retaining ring and O shape in any substituting assembly in Fig. 1 to Figure 15 and encircle and use.First accommodating pivotable is combined in the recess of artificial tooth or other dentistry appliance with the cap 156 of retaining ring 155 and O shape ring 14.Then O shape ring 14 be fastened on the head 266 of device 250 and be bonded in groove 268, as shown in figure 27.Thereby cap 156 can be with respect to the head pivotable of abutment or implanting device, to provide more compensation from vertically-oriented any departing from for drift angle implant and head part 253.The angled abutment of Figure 26 or implanting device 250 and pivotable with allow together with cap described cap with respect to the hole 264 of the first component of implanting device and the central axis 265 of threaded miniature implant 252 and therefore with respect to the axis pivotable in the fixing hole of implanting device up to 30 degree.
Except the head part of abutment device is when mounted with respect to the axis 265 in first component 252 and hole 264 20 degree that tilt, rather than as ten degree in previous embodiment, and by for need to be to outside the situation of the larger correction angle of the implant setting of deflection, the attachment assembly of Figure 28 has two parts miniature implant or the abutment device similar to previous embodiment.As shown in figure 28, this assembly allows cap to spend up to 40 with respect to axis 265 pivotables of implant.In addition, the assembly of Figure 28 is identical with the assembly of Figure 26 and Figure 27, and will install in an identical manner, and in due course identical parts is used to identical label.
Pivotable in cap with O shape ring or elastic ring can with above embodiment in abutment or implant distribution, and if if required, can be arranged to various sizes to be fitted on the existing abutment member with spherical head.This allows existing implant or implant group to be designed to be attached to by O shape ring attached with rotating cap and renovation, to allow rotation and the vertical motion of attached artificial tooth.
The vertical motion that the elasticity of being encircled by O shape in above each embodiment allows and cap be more the doing more physical exercises of combination permission artificial tooth of the rotation on keeper or pivoting action externally.Pivoting action can compensate the implant setting of drift angle.Circular spheroid is not set on the head of abutment member, but flat-top is set to reduce the total height of abutment.
Those skilled in the art provide the above explanation of disclosed embodiment so that can carry out or use the present invention.The various remodeling of these embodiments will be easy to manifest to those skilled in the art, and, can be in the situation that not departing from the spirit or scope of invention, General Principle described herein can be applied to other embodiment.Therefore thus, be to be understood that the explanation and the accompanying drawing that at this, present represent invention presently preferred embodiments, and be the representative of the theme of extensively being expected by the present invention.And then be to be understood that scope of the present invention contains significantly other embodiment that may become to those skilled in the art completely, and and should be appreciated that correspondingly, scope of the present invention claims limit, is not limited by any other except being subject to.
Claims (17)
1. a dental attachment assembly, comprising:
Abutment member, it is configured to be attached to teeth roots, implant or adjacent teeth, described abutment member has head and the ring-type seat portion adjacent with described head, described head has substantially flat upper surface and periphery circular or that protrude, the periphery of described circle or protrusion extends axially to described ring-type seat portion from described end face, and described head and described ring-type seat portion limit center longitudinal axis;
Elastomeric ring, it is arranged to can the mode of unclamping to be bonded in the described seat portion on described abutment member;
Retaining ring, it is bonded in described elastomeric ring, and described retaining ring is made by the material harder than described elastomeric ring, and has relative open end and outer surface, and described outer surface has the circular cross-section of protrusion at described longitudinal direction; And
Cap, it is for being fixed in the recess of dentistry appliance or prosthese, and described cap has center longitudinal axis, annular inner surface and inner face;
Described annular inner surface has recessed circular cross-section and is suitable for the circular cross-section rotational engagement with the described protrusion of described retaining ring in described longitudinal direction;
Described inner face is towards the described upper surface of described head and towards the first end in the described relative open end of described retaining ring;
The described first end of the described inner face of described cap and the described upper surface of described head and described retaining ring is interval axially, to limit the described cap of sening as an envoy to respect to described head and described retaining ring, from axially aligning azimuth rotation to the space of rotational orientation; Wherein, described, axially align in orientation, the center longitudinal axis of described cap and described head is coaxial; In described rotational orientation, the described center longitudinal axis of described cap tilts with respect to the described center longitudinal axis of described head.
2. assembly as claimed in claim 1, wherein, described abutment member has the axle extending coaxially from described ring-type seat portion, and described axle has and is configured to be bonded on the end section matching in hole, the described hole that matches is arranged in non-viable root, or is arranged in the implant screwing to bone within bone bone.
3. assembly as claimed in claim 2, wherein, described axle has the tool engagement part with polygonal cross-section adjacent with described ring-type seat portion.
4. assembly as claimed in claim 3, further comprises the collar flange between described tool engagement part and end section.
5. assembly as claimed in claim 2, also comprises the screw thread extending along at least part of length of described end section.
6. assembly as claimed in claim 1, wherein, described abutment member has the remote extension that is configured to described abutment member to be fixed to adjacent teeth or bizet.
7. assembly as claimed in claim 1, further comprises bar and the abutment member that is fixed at least two intervals on described bar, and described bar is configured to be fixed at least two implants.
8. assembly as claimed in claim 2, wherein, described abutment member comprises miniature implant, and described axle has the threaded afterbody of tool in the ready hole that is suitable for being directly implanted in patient's jawbone.
9. assembly as claimed in claim 8, comprises a plurality of miniature implants and the bar extending between described miniature implant.
10. assembly as claimed in claim 1, wherein, described elastomeric ring has outwards outstanding rounded outer surface, and described retaining ring has the recessed inner surface being configured on the matched described outer surface that is combined in described elastomeric ring.
11. assemblies as claimed in claim 10, wherein, described elastomeric ring is the O shape ring having in the axial direction for circular cross-section.
12. assemblies as claimed in claim 1, wherein, the described outer surface of described retaining ring has the notch adjacent with the relative axis end of described ring.
13. assemblies as claimed in claim 1, wherein, described abutment member has: first component, it has in the hole that matches that is configured to be bonded in non-viable root or is engaged to the axle in the implant being screwed in bone within bone bone; And, second component, it favours described first component extension, and described head and ring-type seat portion are positioned on the described second component of described abutment member, take this described cap to be fixed to described axle with the angular range of being scheduled to.
14. assemblies as claimed in claim 13, wherein, described first component separates formation with described second component, described the first and second parts have be configured in the jawbone that described first component is arranged on to patient after, described second component is engaged with described first component match anti-rotation structure.
15. assemblies as claimed in claim 14, wherein, described second component has head part and second portion, described head partly comprises described head and described ring-type seat portion, the anti-rotation structure that matches of described second portion extends with the angle of being scheduled to respect to described head part, and align with the axle of described first component during matching anti-rotation structure and engage on the described first component with described abutment member, take this, described head part is extended with described predetermined angle with respect to described axle.
16. 1 kinds of attachment assemblies, for being fixed on the abutment member in patient oral cavity or the head of implant can the mode of unclamping to snap engagement in, described head has substantially flat upper surface and periphery circular or that protrude, and described assembly comprises:
Cap, it is configured to be fixed in the recess in dentistry appliance, described cap has the chamber with the open end away from described dentistry appliance, described chamber has the first height and has annular surface and substantially flat inner face in recessed circle, and described inner face is towards the described open end in described chamber;
Retaining ring, it is bonded in described chamber, described ring has the first and second open ends and have the outwardly rounded outer surface that in the circle with the female in described chamber, annular surface pivotally engages and the recessed inner surface extending between described the first and second end, and described the first open end is towards the described inner face of described cap;
Elastomeric ring, it is maintained in described retaining ring, and is configured to snap engagement on the head of the abutment member that is fixed in patient oral cavity or implant;
Described retaining ring and described elastomeric ring limit the first center longitudinal axis jointly, and described cap limits the second center longitudinal axis; And
Described retaining ring has the second height that is less than described the first height, therefore between described first open end of described retaining ring and the described inner face in described chamber, form axial space, so that described cap is with respect to described retaining ring and described elastomeric ring, from axially aligning azimuth rotation to the rotational orientation with predetermined angular range; Wherein, described, axially align in orientation, described the first and second center longitudinal axiss are coaxial; In the described rotational orientation with predetermined angular range, described the second center longitudinal axis does not align with described the first center longitudinal axis.
17. assemblies as claimed in claim 16, wherein, described elastomeric ring is O shape ring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/613,464 US7704076B2 (en) | 2006-12-20 | 2006-12-20 | Dental attachment assembly and method |
| US11/613,464 | 2006-12-20 | ||
| PCT/US2007/087284 WO2008079699A2 (en) | 2006-12-20 | 2007-12-12 | Dental attachment assembly and method |
Publications (2)
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| CN101557773A CN101557773A (en) | 2009-10-14 |
| CN101557773B true CN101557773B (en) | 2014-02-26 |
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| CN200780046360.3A Active CN101557773B (en) | 2006-12-20 | 2007-12-12 | Dental attachment assembly and method |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US7704076B2 (en) |
| EP (1) | EP2094187B1 (en) |
| JP (1) | JP5480628B2 (en) |
| KR (1) | KR101189250B1 (en) |
| CN (1) | CN101557773B (en) |
| AU (1) | AU2007337164B2 (en) |
| CA (1) | CA2672045C (en) |
| ES (1) | ES2586415T3 (en) |
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| IL (1) | IL199211A (en) |
| WO (1) | WO2008079699A2 (en) |
| ZA (1) | ZA200903876B (en) |
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| CN112672714A (en) * | 2018-09-10 | 2021-04-16 | 河明宪 | Implant structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008079699A3 (en) | 2008-08-28 |
| IL199211A (en) | 2012-06-28 |
| EP2094187A4 (en) | 2012-02-29 |
| IL199211A0 (en) | 2010-03-28 |
| EP2094187B1 (en) | 2016-05-11 |
| KR101189250B1 (en) | 2012-10-09 |
| CN101557773A (en) | 2009-10-14 |
| CA2672045A1 (en) | 2008-07-03 |
| CA2672045C (en) | 2016-05-24 |
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